diff --git a/docs/source/fastNLP.core.rst b/docs/source/fastNLP.core.rst
index 86793e5d..5c941e55 100644
--- a/docs/source/fastNLP.core.rst
+++ b/docs/source/fastNLP.core.rst
@@ -1,12 +1,6 @@
 fastNLP.core 
 =============
 
-fastNLP.core.action 
---------------------
-
-.. automodule:: fastNLP.core.action
-    :members:
-
 fastNLP.core.batch 
 -------------------
 
@@ -61,6 +55,12 @@ fastNLP.core.preprocess
 .. automodule:: fastNLP.core.preprocess
     :members:
 
+fastNLP.core.sampler 
+---------------------
+
+.. automodule:: fastNLP.core.sampler
+    :members:
+
 fastNLP.core.tester 
 --------------------
 
@@ -73,6 +73,12 @@ fastNLP.core.trainer
 .. automodule:: fastNLP.core.trainer
     :members:
 
+fastNLP.core.vocabulary 
+------------------------
+
+.. automodule:: fastNLP.core.vocabulary
+    :members:
+
 
 .. automodule:: fastNLP.core
     :members:
diff --git a/docs/source/fastNLP.modules.aggregation.rst b/docs/source/fastNLP.modules.aggregation.rst
deleted file mode 100644
index bfaf8646..00000000
--- a/docs/source/fastNLP.modules.aggregation.rst
+++ /dev/null
@@ -1,36 +0,0 @@
-fastNLP.modules.aggregation 
-============================
-
-fastNLP.modules.aggregation.attention 
---------------------------------------
-
-.. automodule:: fastNLP.modules.aggregation.attention
-    :members:
-
-fastNLP.modules.aggregation.avg\_pool 
---------------------------------------
-
-.. automodule:: fastNLP.modules.aggregation.avg_pool
-    :members:
-
-fastNLP.modules.aggregation.kmax\_pool 
----------------------------------------
-
-.. automodule:: fastNLP.modules.aggregation.kmax_pool
-    :members:
-
-fastNLP.modules.aggregation.max\_pool 
---------------------------------------
-
-.. automodule:: fastNLP.modules.aggregation.max_pool
-    :members:
-
-fastNLP.modules.aggregation.self\_attention 
---------------------------------------------
-
-.. automodule:: fastNLP.modules.aggregation.self_attention
-    :members:
-
-
-.. automodule:: fastNLP.modules.aggregation
-    :members:
diff --git a/docs/source/fastNLP.modules.aggregator.rst b/docs/source/fastNLP.modules.aggregator.rst
new file mode 100644
index 00000000..073da4a5
--- /dev/null
+++ b/docs/source/fastNLP.modules.aggregator.rst
@@ -0,0 +1,36 @@
+fastNLP.modules.aggregator 
+===========================
+
+fastNLP.modules.aggregator.attention 
+-------------------------------------
+
+.. automodule:: fastNLP.modules.aggregator.attention
+    :members:
+
+fastNLP.modules.aggregator.avg\_pool 
+-------------------------------------
+
+.. automodule:: fastNLP.modules.aggregator.avg_pool
+    :members:
+
+fastNLP.modules.aggregator.kmax\_pool 
+--------------------------------------
+
+.. automodule:: fastNLP.modules.aggregator.kmax_pool
+    :members:
+
+fastNLP.modules.aggregator.max\_pool 
+-------------------------------------
+
+.. automodule:: fastNLP.modules.aggregator.max_pool
+    :members:
+
+fastNLP.modules.aggregator.self\_attention 
+-------------------------------------------
+
+.. automodule:: fastNLP.modules.aggregator.self_attention
+    :members:
+
+
+.. automodule:: fastNLP.modules.aggregator
+    :members:
diff --git a/docs/source/fastNLP.modules.interaction.rst b/docs/source/fastNLP.modules.interaction.rst
deleted file mode 100644
index 91a34268..00000000
--- a/docs/source/fastNLP.modules.interaction.rst
+++ /dev/null
@@ -1,5 +0,0 @@
-fastNLP.modules.interaction 
-============================
-
-.. automodule:: fastNLP.modules.interaction
-    :members:
diff --git a/docs/source/fastNLP.modules.interactor.rst b/docs/source/fastNLP.modules.interactor.rst
new file mode 100644
index 00000000..5eb3bdef
--- /dev/null
+++ b/docs/source/fastNLP.modules.interactor.rst
@@ -0,0 +1,5 @@
+fastNLP.modules.interactor 
+===========================
+
+.. automodule:: fastNLP.modules.interactor
+    :members:
diff --git a/docs/source/fastNLP.modules.rst b/docs/source/fastNLP.modules.rst
index 6ccdc21a..eda85aa7 100644
--- a/docs/source/fastNLP.modules.rst
+++ b/docs/source/fastNLP.modules.rst
@@ -3,10 +3,10 @@ fastNLP.modules
 
 .. toctree::
 
-    fastNLP.modules.aggregation
+    fastNLP.modules.aggregator
     fastNLP.modules.decoder
     fastNLP.modules.encoder
-    fastNLP.modules.interaction
+    fastNLP.modules.interactor
 
 fastNLP.modules.other\_modules 
 -------------------------------